// Copyright 2022-2023 Tigris Data, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package middleware

import (
	"context"
	"runtime/pprof"

	"google.golang.org/grpc"
)

func pprofUnaryServerInterceptor() grpc.UnaryServerInterceptor {
	return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error) {
		defer pprof.SetGoroutineLabels(ctx)
		ctx = pprof.WithLabels(ctx, pprof.Labels("full-method", info.FullMethod, "worker", "grpc"))
		pprof.SetGoroutineLabels(ctx)
		return handler(ctx, req)
	}
}
